Changing your country on Steam has been made harder to battle VPNs
Something that has been happening for years now, is that people have been switching around their country on Steam and using VPNs to get cheaper prices - Valve looks to have put a stop to it.
How to setup OpenMW for modern Morrowind on Linux / SteamOS and Steam Deck
How to install Hollow Knight: Silksong mods on Linux, SteamOS and Steam Deck